Convertible top for a boat



FIG. 1 is a perspective view of a "convertible top for a boat", in its extended position, showing my new design;

FIG. 2 is a front plan view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a right side plan view thereof;

FIG. 5 is a left side plan view thereof;

FIG. 6 is a top plan view thereof; and

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view of the "convertible top for a boat" in its retracted position. 

The ornamental design for a "convertible top for a boat", as shown. 